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Du; Lvpei
Nanjing, CN
No. of patents:

Patent Number Title Of Patent Date Issued
7772230 Chroman compound, processes for its preparation, and its pharmaceutical use August 10, 2010
The present invention provides a chroman compound of formula (I) and its pharmaceutical salt, methods of its preparation and its pharmaceutical applications. Wherein: X is O or S; n is for 2, 3 or 4; R.sub.1 is 6-substituted or 7-substituted halogen, C.sub.1-4alkyl, C.sub.1-4alkoxyl,

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